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Shutemov" To: Fuad Tabba Cc: kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org, pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au, anup@brainfault.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, seanjc@google.com, viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org, akpm@linux-foundation.org, xiaoyao.li@intel.com, yilun.xu@intel.com, chao.p.peng@linux.intel.com, jarkko@kernel.org, amoorthy@google.com, dmatlack@google.com, isaku.yamahata@intel.com, mic@digikod.net, vbabka@suse.cz, vannapurve@google.com, ackerleytng@google.com, mail@maciej.szmigiero.name, david@redhat.com, michael.roth@amd.com, wei.w.wang@intel.com, liam.merwick@oracle.com, isaku.yamahata@gmail.com, suzuki.poulose@arm.com, steven.price@arm.com, quic_eberman@quicinc.com, quic_mnalajal@quicinc.com, quic_tsoni@quicinc.com, quic_svaddagi@quicinc.com, quic_cvanscha@quicinc.com, quic_pderrin@quicinc.com, quic_pheragu@quicinc.com, catalin.marinas@arm.com, james.morse@arm.com, yuzenghui@huawei.com, oliver.upton@linux.dev, maz@kernel.org, will@kernel.org, qperret@google.com, keirf@google.com, roypat@amazon.co.uk, shuah@kernel.org, hch@infradead.org, jgg@nvidia.com, rientjes@google.com, jhubbard@nvidia.com, fvdl@google.com, hughd@google.com, jthoughton@google.com, peterx@redhat.com Subject: Re: [PATCH v5 1/9] mm: Consolidate freeing of typed folios on final folio_put() Message-ID: References: <20250303171013.3548775-1-tabba@google.com> <20250303171013.3548775-2-tabba@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250303171013.3548775-2-tabba@google.com> X-Stat-Signature: ubqnbf8fs6gdeoem8eudyj578wugee4x X-Rspamd-Queue-Id: 6AAFF1A0002 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1741077945-239801 X-HE-Meta: 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 PaWg5oj5 18akwqMdb4kC7vlBPOqYU1280Qj7RPAt9MCs/SebYHYLcmOpoceSsp9SWV8IDftaDFWNXuI5W9YAs5MMbx9rElItYwDWLpk+4+pYIGBv9QKVA0IubF4ue+WuuaGso4Xsh5PreNdtLL6/0yv4/UrH9i0S5h12YuESMBcbeptdDCUlo4E3FhQwRIBaCP8I2w4yd0DpfsY9amxU7sEPpkdIVT34FekS+OivwKsvNAkJKuyibYbUMJwkJHDm1m3WTEcNIxDaZkKZzhlhvB9gw+AErS6RYOIRa2h1eJ3FMd4SSiB9J0gE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 03, 2025 at 05:10:05PM +0000, Fuad Tabba wrote: > +static inline int page_get_type(const struct page *page) > +{ > + return page->page_type >> 24; This magic number in page_type code asks for a #define. -- Kiryl Shutsemau / Kirill A. Shutemov